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Thursday, 24 May 2012

File Management

File Management
Computer store the information in the different types of physical media. Like magnetic tape, disk etc.
Each media has to own physical organization.
A file is a collection of related information depend by its creator. File represent the programs and data.
Data file may be alphabetic or numeric. File storage media and define the concept of file.
O/s is responsible for different file management activities :-
(1) Create & Delete File
(2) Create & Delete directory
(3) Primitive for file and directly manipulation
(4) map file onto secondary storage.
(5) Back up file on stable storage.

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